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Chromatographic separation of phenolic compounds from rapeseed by SE-HPLC - a short report

100%

Karamac M., Kosinska A., Rybarczyk A., Pegg R. B.

Polish Journal of Food and Nutrition Sciences

2007

tom 57

nr 1

Phenolic compounds from rapeseed were extracted into 80% (v/v) methanol. The crude extract was then separated using size exclusion high-performance liquid chromatography (SE-HPLC) on a TSK G2000SWXL column with a mobile phase of 45% acetonitrile and 0.1% TFA (v/v). Six peaks were identified on the chromatogram: the main peak originated from sinapin. Calibration of the assay was characterised by an excellent linearity of the sinapin standard (r2=1.0). The method so described can be used for screening phenolic constituents in rapeseed or canola. It is also useful for the purification of the sinapin as a standard from the crude extract.

Rozdział frakcji soku ziemniaczanego różniących się masą cząsteczkową i charakterystyka ich aktywności biologicznej

67%

Lewandowicz G., Kowalczewski P., Bialas W., Olejnik A., Rychlik J.

Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin

2012

nr 266

Research on the determination of toxic organic compounds in airborne particulate matter in Upper Silesia

59%

Bodzek D., Luks-Betlej K., Warzecha L.

Polish Journal of Environmental Studies

1993

tom 02

nr 2

Four separate analytical procedures were applied to determine polycyclic aromatic hydrocarbons (PAH's) and their oxygen and nitrogen derivatives including carbazoles, nitrocompounds and aza compounds. The basic method applied in all four procedures was chromatography, utilized in different variations aimed at obtaining PAH concentrates and their derivatives, before identification analysis. Capillary gas chromatography and the GC-MS system were applied in the identification of individual compounds and in quantity determinations. In the airborne particulate matter in Upper Silesia — the Polish region considered to be the most ecologically degraded — the following compounds have been determined among many others: several PAH's; oxygen derivatives such as 9-fluorenone, anthraquinone, benzanthrone, 1-nitropyrene and/or 2-nitrofluoranthene; carbazole; quinoline; and benzoquinoline. Except for PAH, the enumerated compounds have so far not been determined in environmental samples all over the country.

Ograniczanie wyników

1 Biuletyn Instytutu Hodowli i Aklimatyzacji Roślin

1 Polish Journal of Environmental Studies

1 Polish Journal of Food and Nutrition Sciences

1 Bialas W.

1 Bodzek D.

1 Karamac M.

1 Kosinska A.

1 Kowalczewski P.

1 Lewandowicz G.

1 Luks-Betlej K.

1 Olejnik A.

1 Pegg R. B.

1 Rybarczyk A.

1 Rychlik J.

1 Warzecha L.

1 2012

1 2007

1 1993

Wyniki wyszukiwania

Chromatographic separation of phenolic compounds from rapeseed by SE-HPLC - a short report

Rozdział frakcji soku ziemniaczanego różniących się masą cząsteczkową i charakterystyka ich aktywności biologicznej

Research on the determination of toxic organic compounds in airborne particulate matter in Upper Silesia